docs: def prepare(self, data):
          """
          Handles passing each item in the collection data to the configured
          subpreparer.
  
          Uses a loop and the ``get_inner_data`` method to provide the correct
          item of the data.
  
          Returns a list of data as the response.
          """
          result = []
  
          for item in self.get_inner_data(data):
              result.append(self.preparer.prepare(item))
  
          return result